GB2031639B - Bias arrangements in magnetic recorders - Google Patents

Bias arrangements in magnetic recorders

Info

Publication number: GB2031639B
Authority: GB; United Kingdom
Prior art keywords: bias arrangements; magnetic recorders; recorders; magnetic; bias
Prior art date: 1978-09-18
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

GB7931597A

Other versions

GB2031639A (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Toshiba Corp

Original Assignee

Tokyo Shibaura Electric Co Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1978-09-18

Filing date

1979-09-12

Publication date

1983-03-02

1978-09-18 Priority claimed from JP11443578A external-priority patent/JPS6019042B2/en

1979-06-15 Priority claimed from JP7538879A external-priority patent/JPS5617A/en

1979-09-12 Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd

1980-04-23 Publication of GB2031639A publication Critical patent/GB2031639A/en

1983-03-02 Application granted granted Critical

1983-03-02 Publication of GB2031639B publication Critical patent/GB2031639B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/027—Analogue recording
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/027—Analogue recording
- G11B5/03—Biasing

GB7931597A 1978-09-18 1979-09-12 Bias arrangements in magnetic recorders Expired GB2031639B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP11443578A JPS6019042B2 (en)	1978-09-18	1978-09-18	Tape recorder recording bias circuit
JP7538879A JPS5617A (en)	1979-06-15	1979-06-15	Recording bias circuit of tape recorder

Publications (2)

Publication Number	Publication Date
GB2031639A GB2031639A (en)	1980-04-23
GB2031639B true GB2031639B (en)	1983-03-02

Family

ID=26416533

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7931597A Expired GB2031639B (en)	1978-09-18	1979-09-12	Bias arrangements in magnetic recorders

Country Status (6)

Country	Link
US (1)	US4349848A (en)
DE (1)	DE2937695C2 (en)
FR (1)	FR2436464A1 (en)
GB (1)	GB2031639B (en)
HK (1)	HK67384A (en)
SG (1)	SG24384G (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4480275A (en) *	1982-04-02	1984-10-30	Ampex Corporation	Constant current biased head driver
JPS5995413U (en) *	1982-12-20	1984-06-28	日本ビクター株式会社	Inductive noise prevention board
US4965681A (en) *	1985-06-12	1990-10-23	Canon Kabushiki Kaisha	Magnetic recording apparatus of rotary magnetic type having cross-talk cancelling function
US7170361B1 (en)	2000-04-13	2007-01-30	Micron Technology, Inc.	Method and apparatus of interposing voltage reference traces between signal traces in semiconductor devices
KR100660885B1 (en) *	2005-11-07	2006-12-26	삼성전자주식회사	Burst Recording Method of Hard Disk Drive and Appropriate Apparatus
US11418026B1 (en) *	2021-03-22	2022-08-16	International Business Machines Corporation	Electrostatic protection device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1074283B (en)		1960-01-28	Loewe Opta Aktiengesellschaft Berlin-Steglitz	Circuit arrangement for magnetic sound recording with HF premagnetization
DE811164C (en)	1948-10-02	1951-08-16	Blaupunkt Werke Gmbh	Procedure for eliminating interference in magnetic sound recordings
CH379146A (en)	1961-11-14	1964-06-30	Kudelski Stephane	Method for recording and / or reproducing a second channel on a magnetic tape and device for its implementation
US3381098A (en) *	1964-11-18	1968-04-30	Ampex	Record bias supply
US3394234A (en) *	1965-01-08	1968-07-23	Ampex	Transmission system for applying bias and record signals to a recording head
AT259895B (en) *	1966-03-24	1968-02-12	Radiowerk Horny Ges M B H	Device for radio reception and for magnetic recording and, if necessary, reproduction
US3480739A (en) *	1967-05-29	1969-11-25	Borg Warner	Balanced impedance network for applying bias and data signals to a recording head
US3621148A (en) *	1968-09-09	1971-11-16	Mca Technology Inc	Electromagnetic record head transducer and system
US3585312A (en) *	1968-12-31	1971-06-15	Rca Corp	Signal transmission in recorder systems with impedance transformation
JPS563781Y2 (en)	1973-09-21	1981-01-28
US4081845A (en) *	1976-06-29	1978-03-28	Honeywell Inc.	Magnetic recording with bias and data mixing circuit

1979
- 1979-09-11 US US06/074,762 patent/US4349848A/en not_active Expired - Lifetime
- 1979-09-12 GB GB7931597A patent/GB2031639B/en not_active Expired
- 1979-09-18 DE DE2937695A patent/DE2937695C2/en not_active Expired
- 1979-09-18 FR FR7923207A patent/FR2436464A1/en active Granted
1984
- 1984-03-20 SG SG243/84A patent/SG24384G/en unknown
- 1984-08-30 HK HK673/84A patent/HK67384A/en unknown

Also Published As

Publication number	Publication date
HK67384A (en)	1984-09-07
US4349848A (en)	1982-09-14
DE2937695C2 (en)	1985-11-28
FR2436464A1 (en)	1980-04-11
FR2436464B1 (en)	1985-03-29
GB2031639A (en)	1980-04-23
SG24384G (en)	1985-01-04
DE2937695A1 (en)	1980-03-27

Publication	Publication Date	Title
DE3064977D1 (en)	1983-10-27	Magnetic recorders
MX145952A (en)	1982-04-23	IMPROVEMENTS IN MAGNETIC TAPE CASSETTE
JPS551698A (en)	1980-01-08	Magnetic reading head
GB2026946B (en)	1982-07-14	Sucurity magnetic recording supports
DE2964566D1 (en)	1983-02-24	Magnetic read head
GB2018491B (en)	1982-07-28	Magnetic tape reproducing devices
GB2040100B (en)	1983-02-09	Magnetic recorder reproducer
JPS5567909A (en)	1980-05-22	Magnetic reading device
JPS54161221A (en)	1979-12-20	Magnetic recorder*reproducer
GB2031639B (en)	1983-03-02	Bias arrangements in magnetic recorders
JPS54116206A (en)	1979-09-10	Magnetic recorder*reproducer
GB2017117B (en)	1982-07-07	Magnetic recording meduim
GB2019633B (en)	1982-07-28	Magnetic recording
AU537407B2 (en)	1984-06-21	Magnetic card recording
JPS54128304A (en)	1979-10-04	Magnetic record
GB2029171B (en)	1982-09-02	Reading magnetic recordds
GB2042979B (en)	1982-09-22	Magnetic recording
JPS54115030A (en)	1979-09-07	Bias magnetic field device
JPS534848A (en)	1978-01-17	Magnetic amplifier
JPS54126511A (en)	1979-10-01	Magnetic record
JPS52113205A (en)	1977-09-22	Magnetic recording material
JPS52146611A (en)	1977-12-06	Magnetic recorder
JPS551682A (en)	1980-01-08	Magnetic recording system
JPS54164110A (en)	1979-12-27	Magnetic tape scanner
JPS54134607A (en)	1979-10-19	Magnetic recorder*reproducer

Legal Events

Date	Code	Title	Description
1986-11-19	746	Register noted 'licences of right' (sect. 46/1977)
1991-05-08	PCNP	Patent ceased through non-payment of renewal fee